- Hypro Part # 3430-0039 - Fabric Cup Kit Consists of: - (2) Piston Cap Screws (Part # 2220-0013) - (2) Washers (Part # 2270-0012) - (2) O-Rings (Part # 1720-0030) - (2) Fabric Cups (Part # 2150-0012) - (2) O-Rings (Part # 1720-0065) - (2) Seal Rings (Part # 1440-0012) - Fits the Following Pump Model #s: 5206C and 5210C